Installation Guide
Tools Needed:
- Adjustable wrench set
- Screwdrivers (flat and Phillips)
- Pliers
- Pressure gauge
- Safety glasses
Step-by-Step Installation
- Choose Installation Location: Select a clean, dry, well-ventilated area with solid, level flooring away from flammable materials.
- Unpack and Inspect: Remove all packaging materials and inspect for shipping damage. Check all components against parts list.
- Assemble Base: Attach wheels and handle if included in your model. Ensure all bolts are tightened securely.
- Install Pressure Regulator: Connect the pressure regulator to the air outlet port using thread sealant tape.
- Connect Air Lines: Attach air hose to regulator outlet. Ensure all connections are tight and leak-free.
- Electrical Connection: Connect to a properly grounded 120V, 15A circuit. Use dedicated circuit for best performance.
- Initial Setup: Fill with recommended compressor oil to proper level. Check belt tension if applicable.
- Test Run: Run compressor without load for 10 minutes to break in. Check for leaks and proper pressure buildup.
Specifications
| Model Series | 919.XXXXXX |
| Type | Portable Air Compressor |
| Horsepower | 1.5 HP |
| Tank Capacity | 6 Gallon |
| Max Pressure | 125 PSI |
| CFM at 40 PSI | 4.0 CFM |
| CFM at 90 PSI | 2.6 CFM |
| Voltage | 120V, 60Hz |
| Amperage | 15A |
| Pump Type | Oil-Free |
| Dimensions (HxWxD) | 24 x 15 x 18 inches |
| Weight | 48 lbs |
| Noise Level | 78 dB |
Warranty Information
- Full Warranty: 1 year limited warranty
- Pump Warranty: 2 years on oil-free pump
- Tank Warranty: Lifetime limited warranty against tank rupture
- Additional Coverage: Optional extended warranty available
For warranty service, contact Craftsman Customer Service at 1-888-331-4569 or visit Craftsman.com
Key Features
Oil-Free Pump
Maintenance-free oil-free pump design eliminates the need for regular oil changes and prevents oil contamination in air lines.
ASME Certified Tank
6-gallon ASME certified tank provides ample air storage for continuous operation of multiple tools with safety assurance.
Quick-Connect Coupler
Industrial-style quick-connect coupler allows for fast tool changes without tools or adapters.
Pressure Regulator
Precise pressure regulator with gauge allows adjustment for different tools and applications from 0-125 PSI.
Thermal Overload Protection
Built-in thermal overload protection automatically shuts off motor if it overheats, preventing damage.
Low Amp Draw
Efficient motor design with low amp draw allows operation on standard 15-amp household circuits.
Common Applications
Inflating
Tires, sports equipment, air mattresses, and inflatable toys
Finishing
Paint spraying, staining, and clear coating applications
Fastening
Nail guns, staple guns, and other pneumatic fastening tools
Cleaning
Blowing dust from equipment, cleaning workshops, and drying
Automotive
Impact wrenches, ratchets, and other automotive repair tools
Construction
Framing nailers, roofing nailers, and other construction tools
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, pressure switch fault, thermal overload tripped | Check power supply, reset thermal overload, check pressure switch |
| Low pressure output | Air leaks, worn piston rings, clogged intake filter | Check for leaks, clean/replace intake filter, inspect piston rings |
| Excessive noise/vibration | Loose components, worn motor bearings, unbalanced flywheel | Tighten all bolts, check motor bearings, inspect flywheel |
| Motor overheats | Dirty cooling fins, low voltage, excessive cycling | Clean cooling fins, check voltage, allow proper cool-down time |
| Air leaks | Loose fittings, damaged seals, cracked hoses | Tighten all connections, replace damaged seals/hoses |
| Slow pressure buildup | Worn check valve, leaking tank valve, piston wear | Replace check valve, inspect tank valve, check piston assembly |
Maintenance Schedule
- Daily: Drain moisture from tank, check oil level (if applicable)
- Weekly: Inspect hoses and connections, clean intake filter
- Monthly: Check belt tension, inspect safety valve operation
- Annually: Replace air filter, inspect piston and rings
- As Needed: Replace worn parts, check tank for corrosion
Manual Downloads
919 Series Manuals
919.152331
1.5 HP 6-Gallon Oil-Free
919.152332
1.5 HP 8-Gallon Oil-Free
919.152334
2.0 HP 10-Gallon Oil-Free
919.152335
1.5 HP 6-Gallon Pancake
Related Models & Parts
919.152340
Replacement Pump Assembly
919.152341
Pressure Switch Assembly
919.152342
Motor Replacement Guide
919.152343
Tank Inspection Manual